BUY CD4081BCM https://www.utsource.net/itm/p/1581581.html
Quad 2-Input OR Buffered B Series Gate . Quad 2-Input AND Buffered B Series Gate
Description: Quad 2-Input AND Gate Features: - Low power Schottky TTL - Outputs direct logic level input - High noise immunity - Balanced propagation delays - Low input current: 1.0 μA max - High noise immunity: 0.45 VDD (typ) Application: - Logic interface circuits - High speed line drivers - High speed line receivers - High speed clock drivers - High speed clock receivers - High speed shift registers - High speed counter circuits - High speed adder circuits - High speed multiplexers (For reference only)